Merge pull request #11 from jaoo/1019698

Bug 1019698 - Add TB v2.2.5 lib. r=borjasalguero
Bug 1016423 - Use Hawk for making authenticated HTTP requests and support FxA assertions
Merge pull request #10 from jaoo/1016423

Bug 1016423 - Use Hawk for making authenticated HTTP requests and support FxA assertions. r=borjasalguero
Bug 1016423 (follow-up) - Drop comments in malformed JSON files. r=borjasalguero
Bug 1023772 - [Loop] Enable test & app shortcuts r=jaoo